code:


protected static String decodeString(ByteBuffer buf) 

    {

        try 

        {

            byte[] bytes = new byte[buf.remaining()];

            buf.get(bytes);

            return new String(bytes, MESSAGE_CHARSET);

        } catch (UnsupportedEncodingException e) 

        {

            throw new Error("Required character set " + MESSAGE_CHARSET +

                " not found", e);

        }

    }

    

    protected static ByteBuffer encodeString(String s) 

    {

        try 

        {

            return ByteBuffer.wrap(s.getBytes(MESSAGE_CHARSET));

        } catch (UnsupportedEncodingException e) 

        {

            throw new Error("Required character set " + MESSAGE_CHARSET +

                " not found", e);

        }

    }